Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
24/04/2024, 18:51
General
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Target
2024-04-24_42ae93178630fcf7526db060ac47938c_cryptolocker.exe
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Size
64KB
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MD5
42ae93178630fcf7526db060ac47938c
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SHA1
71837e514f28c636d6a3d77dae4349226b987cdb
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SHA256
4ed7f3bfaf0e12776401fb299665329404587f3f9356933079d27161acbf09aa
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SHA512
56816cfb0e65ba28f95ebd4b0e8d35ab0e793fc5ead5cd5ab5a4e4b4fca659bced3d3bf6bb1fc5089d2387354b9d79305246aeaa5b31b52dbfcb1db846c47e84
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xa:1nK6a+qdOOtEvwDpjg
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-24_42ae93178630fcf7526db060ac47938c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_42ae93178630fcf7526db060ac47938c_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5b987806c68f30fec999512b480f85855
SHA11e0237dc4fd9818a8e74d51590bb69f44f9ab94c
SHA25640e02dac73c2bec4d8f9821d7ee218143c89e4c59467edcb4718bef243bb6241
SHA512d3c7656813d4852b310b198455f2a0f93d0df4473339cad673b787ebfbc7f812cf7bd7e2bfb250fcaa75cb603a1d944b423ae13ae77fff676d4234cecdec1077
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
64KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB